Australia and South America weren't always so separate. At one time, many millions of years ago, these two continents were connected, along with others, in the southern supercontinent of Gondwana.

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America. Newly discovered evidence of Australia's earliest species ...

Roy M. Farman received funding from the Research Training Program through the University of New South Wales. Mike Archer has received funding from the Australian Research Council, the Australian ...